TNMG 220404 AH120 Wendeplatten - Tungaloy

Benefit from the combination of PVD-coated carbide wear resistance and double-sided geometry for economical, repeatable turning performance; the secure clamping via the cylindrical hole and ISO conformity ensures predictable tool life. Order the TNMG220404 AH120 insert directly via Metav Werkzeuge or request application advice from our consultants.

TNMG220404 AH120 TNMG – ISO turning insert for turning applications by Tungaloy

TNMG220404 AH120 is an ISO-standard triangular turning insert for general external and internal turning, optimised for wear resistance and process reliability

• PVD-coated carbide for extended tool life
• Double-sided geometry reduces tooling cost
• 60° included angle for standard turning holders
• Cylindrical hole for secure clamping

Reliable, high-performance cutting for productive turning

The PVD-coated carbide grade offers a balance of wear resistance and fracture toughness that supports steady performance in cyclic production. A sharp cutting edge, combined with the wear- and break-resistant AH120 grade, delivers consistent chip formation and surface finish during both roughing and finishing operations. The double-sided configuration doubles indexable life per insert, which reduces direct tooling costs and inventory complexity while maintaining stable cutting conditions.

Design features that protect the process and reduce setup risk

A triangular plate shape with a 60° included angle and 0.4 mm corner radius gives a predictable engagement with the workpiece, limiting vibration and helping control cutting forces. The insert’s cylindrical hole and standardised form ensure secure clamping in ISO-compatible holders; compatibility depends on form, relief angle, tolerance class, fixing method, size and thickness. The 4.76 mm thickness provides rigidity under moderate cutting forces, supporting repeatable dimensioning and longer tool life.

Practical application advice for shop-floor integration

This insert is intended for ISO-standard turning setups and suits both external and internal turning tasks when paired with an appropriate external holder or boring bar and the correct chipbreaker. Select chipbreaker and grade to match the workpiece material and machining stability. The AH120 grade is particularly useful where a sharp cutting edge and process security are required, for example in medium-duty production runs that prioritise surface quality and dimensional consistency.

Interpreting technical specifications and getting the best results

Key measurable values — including inscribed circle 22 mm, thickness 4.76 mm, corner radius 0.4 mm and relief angle 0° — dictate how the insert performs in different setups. For users less familiar with insert geometry: the inscribed circle and included angle determine holder compatibility; the corner radius influences achievable surface finish and tool strength; thickness and hole style affect clamping stability. Matching these parameters to the machine rigidity and fixture reduces vibrations and extends tool life.

For application support, sample recommendations or to secure Tungaloy TNMG220404 AH120 inserts, contact Metav Werkzeuge: info@metav-werkzeuge.com or +49 2822 7131930 — our team will advise on holder compatibility and cutting data

Technical data

• Article number: 6812067
• SKU: 6812067-Tungaloy
• Manufacturer SKU: TUN6812067
• ISO designation: TNMG220404
• Grade: AH120
• Material: carbide

Key measurements

• Inscribed circle / size: 22 mm
• Thickness: 4.76 mm
• Corner radius: 0.4 mm
• Included angle: 60°
• Relief angle: 0°
• ISO code: 220404

Features & applications

• Triangular plate, double-sided chipbreaker
• Cylindrical hole for secure clamping
• PVD-coated carbide, wear- and break-resistant
• Suitable for external and internal turning
• Compatibility determined by form, fixing, tolerance and holder

FAQ

What materials can this insert machine effectively?
The AH120 PVD-coated carbide insert is designed for general turning tasks; its wear resistance and toughness make it suitable for a broad range of steels and common workshop materials when the correct chipbreaker and machining parameters are chosen for the TNMG220404 AH120 insert.

How does the double-sided design benefit production?
Double-sided geometry doubles the available cutting edges on the TNMG220404 AH120 insert, lowering per-edge cost and simplifying inventory while providing consistent cutting performance across multiple indexings.

Which holder features are required for correct fitment?
Holder compatibility depends on the insert form, relief angle, tolerance class, fixing method, inscribed circle and thickness; the triangular TNMG form with 60° included angle fits ISO-standard turning holders that accept TNMG inserts.

Is the insert suitable for finishing operations?
Yes — with an appropriate corner radius and stable machining conditions, the AH120 grade supports finishing to achieve good surface quality while maintaining tool life.

What does the relief angle of 0° mean in practice?
A 0° relief angle indicates minimal flank relief; correct holder geometry and cutting parameters are essential to prevent rubbing. This form is common in inserts engineered for specific holder geometries and secure clamping.

Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.